Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4634422 | Percutaneous access device and method for implanting same | Adrian Kantrowitz, Paul S. Freed, Frizell L. Vaughan, Robert Gray | 1987-01-06 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4634422 | Percutaneous access device and method for implanting same | Adrian Kantrowitz, Paul S. Freed, Frizell L. Vaughan, Robert Gray | 1987-01-06 |